🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.48 AU - 0.54 AU

Year: 235 Days

Day: 32 Hours

Environment

Temp: -117 °C

Axial Tilt: 66.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.54 AU - 0.54 AU

Year: 256 Days

Day: 35.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.6

Radius: 14.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.59 AU - 0.85 AU

Year: 394 Days

Day: 10.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 8,968,281 km

• M1: 184,753 km (0.115 R)
• M2: 280,646 km (0.109 R)
• M3: 387,608 km (0.114 R)
• M4: 487,240 km (0.096 R)
• M5: 656,735 km (0.09 R)
• M6: 750,383 km (0.114 R)
• M7: 879,336 km (0.036 R)
• M8: 1,016,817 km (0.047 R)
• M9: 1,125,126 km (0.098 R)
• M10: 1,226,403 km (0.118 R)
• M11: 1,330,972 km (0.083 R)
• M12: 1,475,633 km (0.088 R)
• M13: 1,634,357 km (0.087 R)
• M14: 1,763,908 km (0.117 R)
• M15: 1,897,200 km (0.072 R)
• M16: 2,001,620 km (0.101 R)
• M17: 2,112,920 km (0.063 R)
• M18: 2,212,104 km (0.106 R)
• M19: 2,317,720 km (0.118 R)
• M20: 2,435,005 km (0.057 R)
• M21: 2,584,453 km (0.085 R)
• M22: 2,773,096 km (0.114 R)
• M23: 2,887,688 km (0.113 R)
• M24: 3,057,032 km (0.088 R)
• M25: 3,169,979 km (0.051 R)
• M26: 3,439,255 km (0.053 R)
• M27: 3,670,533 km (0.116 R)
• M28: 3,773,606 km (0.085 R)
• M29: 3,936,070 km (0.1 R)
• M30: 4,106,761 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.1

Radius: 8.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.73 AU - 0.93 AU

Year: 488 Days

Day: 14.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 8,968,281 km

• M1: 114,742 km (0.047 R)
• M2: 183,108 km (0.057 R)
• M3: 307,723 km (0.112 R)
• M4: 363,822 km (0.086 R)
• M5: 453,132 km (0.106 R)
• M6: 583,132 km (0.09 R)
• M7: 639,680 km (0.067 R)
• M8: 715,826 km (0.081 R)
• M9: 825,032 km (0.072 R)
• M10: 920,625 km (0.046 R)
• M11: 1,015,919 km (0.09 R)
• M12: 1,085,632 km (0.115 R)
• M13: 1,251,835 km (0.113 R)
• M14: 1,317,957 km (0.071 R)
• M15: 1,486,404 km (0.069 R)
• M16: 1,566,290 km (0.069 R)
• M17: 1,633,160 km (0.055 R)
• M18: 1,701,077 km (0.093 R)
• M19: 1,769,892 km (0.107 R)
• M20: 1,824,645 km (0.049 R)
• M21: 1,890,169 km (0.051 R)
• M22: 1,961,527 km (0.11 R)
• M23: 2,122,943 km (0.119 R)
• M24: 2,299,768 km (0.09 R)
• M25: 2,365,142 km (0.076 R)
• M26: 2,713,556 km (0.046 R)
• M27: 2,905,789 km (0.074 R)
• M28: 2,970,864 km (0.083 R)
• M29: 3,138,563 km (0.07 R)
• M30: 3,205,434 km (0.094 R)
• M31: 3,297,287 km (0.091 R)
• M32: 3,483,686 km (0.095 R)
• M33: 3,705,539 km (0.068 R)
• M34: 3,795,597 km (0.1 R)
• M35: 3,853,940 km (0.085 R)
• M36: 3,951,777 km (0.098 R)
• M37: 4,196,519 km (0.052 R)
• M38: 4,324,276 km (0.078 R)
• M39: 4,405,508 km (0.06 R)
• M40: 4,549,122 km (0.111 R)
• M41: 4,666,406 km (0.093 R)
• M42: 4,743,000 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 12.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.15 AU - 1.21 AU

Year: 828 Days

Day: 11.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 8,968,281 km

• M1: 207,043 km (0.113 R)
• M2: 310,565 km (0.111 R)
• M3: 520,601 km (0.114 R)
• M4: 651,050 km (0.111 R)
• M5: 750,383 km (0.109 R)
• M6: 832,961 km (0.089 R)
• M7: 913,145 km (0.073 R)
• M8: 1,026,840 km (0.098 R)
• M9: 1,132,755 km (0.094 R)
• M10: 1,209,948 km (0.113 R)
• M11: 1,295,817 km (0.115 R)
• M12: 1,390,811 km (0.115 R)
• M13: 1,537,866 km (0.053 R)
• M14: 1,817,465 km (0.071 R)
• M15: 1,901,688 km (0.111 R)
• M16: 2,097,811 km (0.103 R)
• M17: 2,251,598 km (0.038 R)
• M18: 2,417,502 km (0.095 R)
• M19: 2,630,828 km (0.119 R)
• M20: 2,967,124 km (0.095 R)
• M21: 3,131,233 km (0.118 R)
• M22: 3,251,809 km (0.06 R)
• M23: 3,603,364 km (0.098 R)
• M24: 3,897,473 km (0.065 R)
• M25: 4,158,821 km (0.099 R)
• M26: 4,260,847 km (0.112 R)
• M27: 4,457,119 km (0.088 R)
• M28: 4,593,253 km (0.107 R)
• M29: 4,815,855 km (0.081 R)
• M30: 5,107,571 km (0.11 R)
• M31: 5,195,085 km (0.113 R)
• M32: 5,382,831 km (0.092 R)
• M33: 5,483,061 km (0.115 R)
• M34: 5,776,423 km (0.117 R)
• M35: 5,913,454 km (0.088 R)
• M36: 6,040,164 km (0.065 R)
• M37: 6,121,246 km (0.056 R)
• M38: 6,261,120 km (0.07 R)
• M39: 6,378,404 km (0.079 R)
• M40: 6,544,009 km (0.099 R)
• M41: 7,073,586 km (0.11 R)
• M42: 7,171,423 km (0.103 R)
• M43: 7,368,443 km (0.034 R)
• M44: 7,579,675 km (0.039 R)
• M45: 7,780,286 km (0.102 R)
• M46: 7,868,698 km (0.094 R)
• M47: 8,097,434 km (0.089 R)
• M48: 8,199,908 km (0.075 R)
• M49: 8,509,576 km (0.094 R)
• M50: 8,823,282 km (0.042 R)
• M51: 8,941,914 km (0.086 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 19,019 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit